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Rev · 01-01-2001, 03:18 PM

With a c-4 and 26" tires, I'm turning 3000 rpm at 70 mph with my C-4 and a3.25. If I was running a 3.55, I'd be running 3275 rpm's at 70mph. That's a little much for me, but it's something only you can decide. Hope this helps a little.

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'66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph
1/4 mi.

01-01-2001, 03:18 PM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	With a c-4 and 26" tires, I'm turning 3000 rpm at 70 mph with my C-4 and a3.25. If I was running a 3.55, I'd be running 3275 rpm's at 70mph. That's a little much for me, but it's something only you can decide. Hope this helps a little. ------------------ '66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph 1/4 mi.